rustdoc: search for tuples and unit by type with `()`

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/rustdoc-js/tuple-unit.rs b/tests/rustdoc-js/tuple-unit.rs
new file mode 100644
index 00000000000..93f9a671cbc
--- /dev/null
+++ b/tests/rustdoc-js/tuple-unit.rs
@@ -0,0 +1,18 @@
+pub struct P;
+pub struct Q;
+pub struct R<T>(T);
+
+// Checks that tuple and unit both work
+pub fn side_effect() { }
+
+// Check a non-tuple
+pub fn not_tuple() -> P { loop {} }
+
+// Check a 1-tuple
+pub fn one() -> (P,) { loop {} }
+
+// Check a 2-tuple
+pub fn two() -> (P,P) { loop {} }
+
+// Check a nested tuple
+pub fn nest() -> (Q, R<(u32,)>) { loop {} }